(function(window, document) {
	var Print = function(dom, options) {
			if (!(this instanceof Print)) return new Print(dom, options);
			this.options = this.extend({
				'noPrint': '.no-print'
			}, options);
			if ((typeof dom) === "string") {
				this.dom = document.querySelector(dom)
			} else {
				this.dom = dom
			}
			this.init()
		};
	Print.prototype = {
		init: function() {
			var content = this.getStyle() + this.getHtml();
			this.writeIframe(content)
		},
		extend: function(obj, obj2) {
			for (var k in obj2) {
				obj[k] = obj2[k]
			}
			return obj
		},
		getStyle: function() {
			var str = "",
				styles = document.querySelectorAll('style,link');
			for (var i = 0; i < styles.length; i++) {
				str += styles[i].outerHTML
			}
			str += "<style>" + (this.options.noPrint ? this.options.noPrint : '.no-print') + "{display:none;}</style>";
			return str
		},
		getHtml: function() {
			var inputs = document.querySelectorAll('input');
			var textareas = document.querySelectorAll('textarea');
			var selects = document.querySelectorAll('select');
			for (var k in inputs) {
				if (inputs[k].type == "checkbox" || inputs[k].type == "radio") {
					if (inputs[k].checked == true) {
						inputs[k].setAttribute('checked', "checked")
					} else {
						inputs[k].removeAttribute('checked')
					}
				} else if (inputs[k].type == "text") {
					inputs[k].setAttribute('value', inputs[k].value)
				}
			}
			for (var k2 in textareas) {
				if (textareas[k2].type == 'textarea') {
					textareas[k2].innerHTML = textareas[k2].value
				}
			}
			for (var k3 in selects) {
				if (selects[k3].type == 'select-one') {
					var child = selects[k3].children;
					for (var i in child) {
						if (child[i].tagName == 'OPTION') {
							if (child[i].selected == true) {
								child[i].setAttribute('selected', "selected")
							} else {
								child[i].removeAttribute('selected')
							}
						}
					}
				}
			}
			return this.dom.outerHTML
		},
		writeIframe: function(content) {
			var w, doc, iframe = document.createElement('iframe'),
				f = document.body.appendChild(iframe);
			iframe.id = "myIframe";
			iframe.style = "position:absolute;width:0;height:0;top:-10px;left:-10px;";
			w = f.contentWindow || f.contentDocument;
			doc = f.contentDocument || f.contentWindow.document;
			doc.open();
			doc.write(content);
			doc.close();
			this.toPrint(w);
			setTimeout(function() {
				document.body.removeChild(iframe)
			}, 100)
		},
		toPrint: function(frameWindow) {
			try {
				setTimeout(function() {
					frameWindow.focus();
					try {
						if (!frameWindow.document.execCommand('print', false, null)) {
							frameWindow.print()
						}
					} catch (e) {
						frameWindow.print()
					}
					frameWindow.close()
				}, 10)
			} catch (err) {
				console.log('err', err)
			}
		}
	};
	window.print = Print
}(window, document));